Set cache to false as default for script or json requests. Fixes 7578.

[jquery.git] / src / ajax.js

diff --git a/src/ajax.js b/src/ajax.js
index 9195bcc..e82a082 100644 (file)
--- a/src/ajax.js
+++ b/src/ajax.js
@@ -261,7 +261,7 @@ jQuery.extend({
                        };
                }
 
-               if ( s.dataType === "script" && s.cache === null ) {
+               if ( s.dataType === "script" && s.cache === undefined ) {
                        s.cache = false;
                }
 
@@ -463,10 +463,11 @@ jQuery.extend({
                try {
                        var oldAbort = xhr.abort;
                        xhr.abort = function() {
-                               // xhr.abort in IE7 is not a native JS function
-                               // and does not have a call property
-                               if ( xhr && oldAbort.call ) {
-                                       oldAbort.call( xhr );
+                               if ( xhr ) {
+                                       // oldAbort has no call property in IE7 so
+                                       // just do it this way, which works in all
+                                       // browsers
+                                       Function.prototype.call.call( oldAbort, xhr );
                                }
 
                                onreadystatechange( "abort" );